47 Prefectures Quiz

Within a 10-second time limit, guess the country name from the flags and capital data displayed one after another! When you answer correctly, an interactive world map springs to life and dynamically zooms in to that country's location 🚀 Aim to become a geography master!

47都道府県の意外な順位を、1,000以上の公的データで発見できる無料サイトです。ランキング・地図・県対決・ストーリー記事で雑学を深掘りできます。

Dokodemo Nauru is a map app that overlays the outline of the Republic of Nauru on maps of various locations throughout Japan, allowing you to intuitively compare its size and shape.

府中のこと、どれくらい知ってる？

自分の実力に合わせてフラッシュ暗算が出来ますよ！

It's a quiz game with game mechanics where you think for 1 minute per question and try to get a set number of correct answers. You can also create problem sets.

A bilingual English-Japanese vocabulary quiz for first-year junior high school students that allows you to learn from both directions. Features include customizable color themes, adjustable time limits from 3 to 30 seconds, and a past performance history function that helps identify weak areas. Work at your own pace to master vocabulary!

A bilingual English-Japanese vocabulary quiz for 2nd-year junior high school students that allows you to learn from both directions. Features include changeable color themes, customizable time limits from 3 to 30 seconds, and a past performance history function that helps you identify weak areas. Work at your own pace to master vocabulary!

This is a travel record app that visualizes visited municipalities by coloring them on a map. It automatically records your location using background GPS, allowing you to aim to conquer all 1,741 municipalities across Japan. With abundant features including statistics, rankings, and visit history, recording your travels becomes even more enjoyable.

Is Japan's population not as large as I thought? The world's "now" at a glance! A pop and fun world countries data ranking 🌍✨ Check population, land area, and population density with graphs at a glance!

Let's take a look at the elevation differences in Tokyo!

It is an entertainment and learning app that uses maps. You can learn about geography and regions in detail through exploring, learning, playing, and creating. An AI agent searches X and the internet to deliver accurate and up-to-date information to you.

「歴史マップトラベル」は、学生時代に習ったあの重大イベントを地図上で旅するインタラクティブ・アプリ。ワンクリックで、時空を超えた世界史の旅へ出発しましょう！

Kyoto? Osaka? Or...? Support your favorite area! Battle on X - Kansai Version

An app that transforms boring everyday life into quests. Small random challenges arrive to make each day a little more fun.

Solve the mystery of Fluffy Island together with Milk the cat! 10 rooms in total! Milk is cute, but the mysteries are serious! A classic escape game where you search for clues hidden in each room and progress by solving mysteries!

A number puzzle game where you use four numbers with "+-×÷" to make the answer 10. Aim for a high score with insight and calculation skills!

Start the familiar "Amidakuji" right now. We'll dramatically build up your special unique result with sophisticated animations!

Compatible with historical data from 1950! Look up the weather pinpoint-by-pinpoint across all of Japan—the day you were born, or the weather at your memorable travel destinations. A "weather review" app where you can enjoy looking back through graphs and maps, syncing with your memories—not a weather forecast, but a "weather retrospective"!

教科書が教えない「おもしろい日本語」を学ぶアプリ

Just rub and color! A magical digital coloring book 🎨 Monochrome illustrations transform into colorful pictures just by touching them with your finger ✨ No need to worry about coloring outside the lines, so even small children can color perfectly!

Let's search for parks with long slides throughout the country!

本番を、何度でも。G検定は、"本番形式"で受かる。

Battle with kanji stroke counts, compound words, and radicals. A Japanese-style card battle you can play with friends nearby!